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文章 2023-01-05 来自：开发者社区

LeetCode 128. Longest Consecutive Sequence

DescriptionGiven an unsorted array of integers, find the length of the longest consecutive elements sequence.Your algorithm should run in O(n) complexity.Example:Input: [100, 4, 200, 1, 3, 2]Output: ....

LeetCode 128. Longest Consecutive Sequence
文章 2022-04-15 来自：开发者社区

[LeetCode]128.Longest Consecutive Sequence

【题目】 Longest Consecutive Sequence  Total Accepted: 4743 Total Submissions: 17989My Submissions Given an unsorted array of integers, find the length of the longest consecutive eleme...

文章 2022-02-16 来自：开发者社区

[LeetCode] Longest Consecutive Sequence 求最长连续序列

Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given [100, 4, 200, 1, 3, 2], The longest consecutive elements sequence is [1,...

文章 2022-02-16 来自：开发者社区

[LeetCode] Binary Tree Longest Consecutive Sequence 二叉树最长连续序列

Given a binary tree, find the length of the longest consecutive sequence path. The path refers to any sequence of nodes from some starting node to any node in the tree along the parent-child connecti....

文章 2022-02-16 来自：开发者社区

[LeetCode]Longest Consecutive Sequence

题目大意 给定一个整形数组，求出最长的连续序列。例如数组[100,4,200,1,3,2]，最长的连续序列长度为[1,2,3,4]，长度为4。要求时间复杂度为O(n)。   思路 "排序转换成经典的动态规划问题"的话排序至少需要时间复杂度为O(nlog(n))——pass 利用c++中的set，直接会排序，并且没有重合的，但是set背后实现的原理牵扯到红黑树，时间复杂度不满足——pass...

[LeetCode]Longest Consecutive Sequence
文章 2022-02-16 来自：开发者社区

[LeetCode] Max Consecutive Ones II 最大连续1的个数之二

Given a binary array, find the maximum number of consecutive 1s in this array if you can flip at most one 0. Example 1: Input: [1,0,1,1,0] Output: 4 Explanation: Flip the first zero will get the the ....

文章 2022-02-16 来自：开发者社区

[LeetCode] Binary Tree Longest Consecutive Sequence II 二叉树最长连续序列之二

Given a binary tree, you need to find the length of Longest Consecutive Path in Binary Tree. Especially, this path can be either increasing or decreasing. For example, [1,2,3,4] and [4,3,2,1] are bot....

文章 2022-02-16 来自：开发者社区

[LeetCode] Longest Consecutive Sequence

This problem is not very intuitive at first glance. However, the final idea should be very self-explanatory. You visit each element in nums, and then find its left and right neighbors and extend the ....

文章 2022-02-16 来自：开发者社区

[LeetCode] Binary Tree Longest Consecutive Sequence

Problem Description: Given a binary tree, find the length of the longest consecutive sequence path. The path refers to any sequence of nodes from some starting node to any node in the tree along the ....

文章 2022-02-16 来自：开发者社区

[LeetCode] Longest Line of Consecutive One in Matrix 矩阵中最长的连续1

Given a 01 matrix M, find the longest line of consecutive one in the matrix. The line could be horizontal, vertical, diagonal or anti-diagonal. Example: Input: [[0,1,1,0], [0,1,1,0], [0,0,0,1]] O...

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